Between 2000 and 2014, the number of twin births in a certain country increased by 15%, to approximately 133975. About how many twin births were there in 2000?
Accepted Solution
A:
Answer:116500Step-by-step explanation:We are looking for the number of twin births in 2000.Let the number of twin births in 2000 be x.The number of twin births in 2000 is 100% of the number of births in 2000 since 100% of something is the entire thing.The number of twin births went up 15% from 2000 to 2014, so in 2014, the number of twin births was 100% of the number of twin births plus another 15% of the number of twin births.100% + 15% = 115%The number of twin births in 2014 was 115% of x.The number of twin births in 2014 was 133975.115% of x = 133975115% * x = 1339751.15x = 133975x = 133975/1.15x = 116500The number of twin births in 2000 was 116500.